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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC30751
Ambrosia pumila
Carl B. Wolf
1936-6-18
s.n.
San Diego
El Cajon Valley, 1 mi. W. of Bostonia
152
Comment
CAS-BOT-BC30752
Ambrosia pumila
D. Cleveland
1882-5-1
s.n.
San Diego
San Diego, Cala
Comment
CAS-BOT-BC30753
Ambrosia pumila
Frank F. Gander
1935-7-24
236
San Diego
2 mi. east of El Cajon
Comment
CAS-BOT-BC30754
Ambrosia pumila
S. G. Stokes
1895-6-2
s.n.
San Diego
National City
Comment
CAS-BOT-BC30755
Ambrosia pumila
H. M. Hall
1920-10-3
11218
San Diego
Road near Sweetwater Dam
Comment
CAS-BOT-BC30756
Ambrosia pumila
Hieronymus Gander
1935-7-24
236
San Diego
2 mi. east of El Cajon
Comment
CAS-BOT-BC30757
Ambrosia pumila
G. R. Kleeberger
1878-7-27
s.n.
San Diego
San Diego
Comment
CAS-BOT-BC30758
Ambrosia pumila
Ralph Hoffmann
1929-9-9
s.n.
San Diego
Mission Valley, San Diego
Comment
CDA9986
Ambrosia pumila
T. C. Fuller
1965-12-1
14344
San Diego
South of Gillespie Field, El Cajon.
0
Comment
CLARK-A1528-1543
Ambrosia pumila
John C. Roos
1937-8-29
2549
San Diego
Bonsall
Comment
GH414266
Ambrosia pumila
F. F. Gander
1935-7-24
Unknown
2 mi. east of El Cajon
Comment
GH414267
Ambrosia pumila
C. B. Wolf
1936-6-18
7999
Unknown
El Cajon Valley, 1 mi. W. of Bostonia
152
Comment
GH414268
Ambrosia pumila
E. A. Purer
1936-10-4
7101
Unknown
near Bostonia
Comment
POM266297
Ambrosia pumila
J. C. Roos
1937-8-29
2549
San Diego
Bonsall.
Comment
RSA603204
Ambrosia pumila
Steve Boyd
1997-7-22
10017
Riverside
Gavilan Hills region: Warm Springs Valley northwest of Lake Elsinore, about Alberhill Creek at the head of Walker Canyon near Durant Siding, southeast base of Alberhill Mountain along Nichols Road, 0.2 miles southwest of junction with Collier Avenue.
381
Comment Read comments Jun 10 2015
RSA605292
Ambrosia pumila
D. E. Bramlet
1997-7-18
2575
Riverside
Nichols Road Wetland Area: The site is located approximately 7.5m northwest of Nichols Road and 91m west of Alberhill Creek. This locality is approximately 366m southwest of the I-15 Freeway.
117
Comment
RSA615546
Ambrosia pumila
Fred M. Roberts
1997-6-29
5043
Riverside
Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore.
117
Comment
RSA643263
Ambrosia pumila
R. D. Goeden, D. W. Ricker
1970-7-21
s.n.
San Diego
San Diego River Watershed: Santee, Prospect Ave. at Railroad Ave., W of Hwy 67 at N edge of Gillespie Field.
107
Comment
RSA644748
Ambrosia pumila
Scott D. White
1999-6-24
7513
San Diego
I-15 Corridor, South of Escondido: West of the freeway in Rancho Bernado area, just north of Lake Hodges and south of Via Rancho Parkway (=Felicita Rd.).
121
Comment
SBBG53515
Ambrosia pumila
R. Moran
1979-6-3
27583
Unknown
3.5 km NE of El Rodeo, 9.5 km N of Cabo Colonet
75
Comment
SBBG84185
Ambrosia pumila
A. C. Sanders, B. Pitzer, S. Morgan
1987-5-14
7064
San Diego
W end of Otay Mesa, E of San Ysidro, head of Dillon Cyn
152
Comment
SD113189
Ambrosia pumila
Darley F. Howe
1938-5-15
658
San Diego
Spring Valley
Comment
SD11492
Ambrosia pumila
Frank F. Gander
1935-6-5
214 A 5
San Diego
Santee
Comment
SD12059
Ambrosia pumila
Frank F. Gander
1935-7-24
236 1
San Diego
2 miles east of El Cajon
Comment
SD126582
Ambrosia pumila
J. Rieger, Caltrans
1988-7-16
San Diego
San Diego, SE of Hollins Lake, N of Mission Gorge Rd. and E of road to lake
89
Comment
SD127765
Ambrosia pumila
Thomas Oberbauer
Sep 1978
147
San Diego
In scrapped parking lot on Sweetwater Springs Blvd., Spring Valley
Comment
SD131197
Ambrosia pumila
David B. Zippin
1991-5-30
138
Riverside
40 m W of Skunk Hollow Vernal Pool, Bachelor Mtn. Quad
Comment
SD136258
Ambrosia pumila
Dylan T. Hannon
1992-6-1
164
San Diego
National City, on-ramp [notes don't say which] to southbound Interstate 5, on west-facing fill slope
Comment
SD138940
Ambrosia pumila
Craig Reiser
1993-4-19
Riverside
Adjacent to Nichols Road about 400 yards west of Highway I-15
Comment
SD138941
Ambrosia pumila
Craig Reiser
1993-4-19
Riverside
Beside Nichols Road about 400 yards west of Highway I-15
Comment
SD142811
Ambrosia pumila
Craig Reiser
1996-9-13
Riverside
North of Lake Elsinore, Nichols Road offramp at Interstate 15, 200 to 300 feet beyond end of paved road. Northwestern-most known population
Comment
SD143582
Ambrosia pumila
R. D. Goeden, D. W. Ricker
1970-7-21
San Diego
San Diego River Watershed: Santee, Prospect Ave at Railroad Ave, west of Highway 67 at north edge of Gillespie Field (mak 10/07)
106
Comment
SD15581
Ambrosia pumila
Frank F. Gander
1936-5-19
2160
San Diego
National City
Comment
SD15777
Ambrosia pumila
Frank F. Gander
1936-5-21
2344
San Diego
Bostonia Cutoff near Railroad.
Comment
SD15778
Ambrosia pumila
Frank F. Gander
1936-5-21
2345
San Diego
Junction Bostonia Cutoff and Lakeside Road.
Comment
SD15779
Ambrosia pumila
Frank F. Gander
1936-5-21
2346
San Diego
I(c) mile north of Santee.
Comment
SD158346
Ambrosia pumila
David Tibor, Diana Hickson, Terri Stewart, Julie Vanderwier
1998-7-8
3
San Diego
Jamacha Valley, NE of intersection of Jamul Drive & Steele Canyon Road under SDG&E power lines in 2 patches ca. 15 m x 10 m & 20 m x 6 m.
120
Comment
SD158347
Ambrosia pumila
David Tibor, Diana Hickson, Terri Stewart, Julie Vanderwier
1998-7-8
2
San Diego
Jamacha Valley, San Diego Wildlife Refuge, ca. 35 miles south of Sweetwater river on NorthEast side of Hwy 94; in 20 meter x 6 meter patch between fence & horse trail (mak 9/06)
89
Comment
SD158348
Ambrosia pumila
David Tibor, Diana Hickson, Terri Stewart, Julie Vanderwier
1998-7-8
1
San Diego
Jamacha Valley, south of Sweetwater River, San Diego Wildlife Refuge, from near west end of Par Four Drive (Rancho San Diego) to ca. 1.5 km west, on slight north-facing slope to level areas, in openings in coastal scrub & within mown fuel break
105
Comment
SD15990
Ambrosia pumila
Frank F. Gander
1936-5-31
2549
San Diego
1I(c) miles northwest of Sweetwater Dam.
Comment
SD16001
Ambrosia pumila
Frank F. Gander
1936-6-2
2570
San Diego
Bostonia
Comment
SD16019
Ambrosia pumila
Frank F. Gander
1936-6-9
2592
San Diego
One mile north of Lake Hodges.
Comment
SD16048
Ambrosia pumila
Frank F. Gander
1936-6-22
2620
San Diego
Mission Valley ; 1 mile west of the Mission.
Comment
SD16438
Ambrosia pumila
Frank F. Gander
1936-10-1
2934
San Diego
San Luis Rey Valley 3/4 miles east of Mission.
Comment
SD17724
Ambrosia pumila
Frank F. Gander
1937-6-2
3943
San Diego
Spring Valley
Comment
SD18155
Ambrosia pumila
Frank F. Gander
1937-7-1
4285
San Diego
Bonsall
Comment
SD240177
Ambrosia pumila
Jim Dice, D. Hickson, T. Stewart, D. Tobor
1998-7-7
980707 1
San Diego
El Cajon
Comment
SD30737
Ambrosia pumila
Edith A. Purer
1936-10-4
7101
San Diego
Roadside, near Bostonia.
Comment
SD5647
Ambrosia pumila
Frank F. Gander
1933-5-28
San Diego
Near Old Mission Dam, Mission Gorge.
Comment
SD8638
Ambrosia pumila
unknown
Jun 1876
San Diego
San Diego
Comment
SD8639
Ambrosia pumila
unknown
Jun 1876
San Diego
San Diego
Comment
SD8641
Ambrosia pumila
unknown
Jun 1882
San Diego
San Diego
Comment
SD8642
Ambrosia pumila
unknown
Jun 1874
San Diego
San Diego
Comment
SDSU12199
Ambrosia pumila
Mary Dellavalle
1996-7-1
1 VII96B
San Diego
Misson Trail Rgional Park. A top elevated hillock, south of Kumeyaay Lake.
91
Comment
SDSU6262
Ambrosia pumila
R. M. Beauchamp
1967-6-13
San Diego
Behind puppet theater in Balboa Park.
Comment
SDSU7098
Ambrosia pumila
R. M. Beauchamp
1967-2-24
228
San Diego
North of Otay Mesa Rd 1/2 mile northeast of San Ysidro.
85
Comment
SEINET2043635
Ambrosia pumila
A. C. Sanders, B. Pitzer, Steve Morgan
1987-1
San Diego
Comment
UC193567
Ambrosia pumila
C. R. Orcutt
1883-6-24
San Diego
San Diego
Comment
UC29426
Ambrosia pumila
C. A. Purpus
1898-5
San Diego
San Diego
Comment
UC718447
Ambrosia pumila
Carl B. Wolf
1936-6-18
7999
San Diego
1 mi W of Bostonia; El Cajon Valley
Comment
UC88418
Ambrosia pumila
D. Cleveland
June 1882
San Diego
San Diego
Comment
UC88419
Ambrosia pumila
D. Cleveland
June, 1876
San Diego
San Diego
Comment
UC88420
Ambrosia pumila
Katharine Brandegee
1897-1-1
San Diego
Mission Valley
Comment Read comments Aug 20 2009
UCR100498
Ambrosia pumila
D. E. Bramlet
1997-7-18
2575
Riverside
Elsinore Valley, Nichols Road Wetlands Area, c. 7.5 m NW of Nichols Road and 91 m west of Alberhill Creek; c. 366 m SW of the I-15 Fwy.
Comment
UCR109686
Ambrosia pumila
R. D. Goeden, Don W. Ricker
1970-7-21
s.n.
San Diego
San Diego River Watershed, Santee, Prospect Ave. at Railroad Ave., west of Hwy 67 at N edge of Gillespie Field
107
Comment
UCR109691
Ambrosia pumila
R. D. Goeden, Don W. Ricker
1970-7-21
s.n.
San Diego
San Diego River Watershed, San Diego, south side of Fr. Junipero Serra Trail, 0.7 mi. west of Mission Gorge Rd. near old Mission Dam
122
Comment
UCR167870
Ambrosia pumila
T. B. Salvato, Melissa Clemons
2005-6-2
1401
Riverside
Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74
610
Comment
UCR171731
Ambrosia pumila
John F. Green
2006-4-28
s.n.
Riverside
Peninsular Ranges, Temecula, Fields immediately N of Nicolas Road/Santa Gertrudis Creek, centered on San Diego Aqueduct corridor
351
Comment
UCR171902
Ambrosia pumila
John F. Green
2006-4-27
s.n.
Riverside
Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte
381
Comment
UCR172613
Ambrosia pumila
A. C. Sanders, John F. Green
2006-5-18
32373
Riverside
Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow
366
Comment
UCR172727
Ambrosia pumila
A. C. Sanders, John F. Green
2006-5-18
32367
Riverside
Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow
366
Comment
UCR174450
Ambrosia pumila
A. C. Sanders, John F. Green
2006-5-18
32375
Riverside
Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow
366
Comment
UCR174457
Ambrosia pumila
A. C. Sanders, John F. Green
2006-5-18
32374
Riverside
Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow
366
Comment
UCR182437
Ambrosia pumila
Mitch Provance
2005-5-17
6582
Riverside
Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site
421
Comment
UCR228833
Ambrosia pumila
A. C. Sanders, T. B. Salvato
2011-4-27
39332
Riverside
Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St.
390
Comment
UCR230057
Ambrosia pumila
Tara Schoenwetter
2011-7-15
s.n.
Riverside
Peninsular Range, Alberhill, east of Lake St. at NW end of Alberhill Mountain, S of I-15 and opposite the end of Temescal Canyon Rd.
379
Comment
UCR232764
Ambrosia pumila
John Dvorak, Ana Hernandez
2011-9-7
020
Riverside
Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street
378
Comment
UCR24366
Ambrosia pumila
John C. Roos
1937-8-29
2549
San Diego
Bonsall
Comment
UCR250383
Ambrosia pumila
A. C. Sanders, John F. Green
2014-4-4
40966
Riverside
Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St.
389
Comment
UCR255352
Ambrosia pumila
James C. Dice, Diana Hickson, T. Stewart, D. Tibor
1998-7-7
- 01
San Diego
El Cajon, Broadway at Graves Ave.
128
Comment
UCR261171
Ambrosia pumila
A. C. Sanders, Jeff Crain, Nina Kidd
2015-5-19
41726
Riverside
Elsinore Trough, north of Elsinore on east side of Baker St., 0.13 km NNE (14 deg. ) of end of Turnbull Ave. at Baker St. junction
398
Comment
UCR261172
Ambrosia pumila
A. C. Sanders, Jeff Crain, Nina Kidd
2015-5-19
41724
Riverside
Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St.
388
Comment
UCR261173
Ambrosia pumila
A. C. Sanders, Jeff Crain, Nina Kidd
2015-5-19
41727
Riverside
Elsinore Trough, north of Elsinore on east side of Baker St., 0.28 km east (74 deg. ) of large water tank above Baker, above a forking dirt road
392
Comment
UCR280928
Ambrosia pumila
Mitch Provance
2017-5-26
517- 61
Riverside
Elsinore Trough, Lake Elsinore, 0.2 mile north of Pinnell Rd.
393
Comment
UCR48061
Ambrosia pumila
A. C. Sanders, B. Pitzer & S. Morgan
1987-5-14
7064
San Diego
South Coast/Peninsular Range, west end of Otay Mesa, east of San Ysidro, head of Dillon Canyon
153
Comment
UCR58686
Ambrosia pumila
V. Scheidt
1987-11-27
s.n.
San Diego
Mouth of Dennery Canyon in the entrance to Otay R Valley
Comment
UCR77564
Ambrosia pumila
Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer
1991-6-14
6331
Riverside
Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct
Comment
UCR91057
Ambrosia pumila
G. R. Ballmer
1996-4-10
s.n.
Riverside
Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road
457
Comment
GH414699
Ambrosia pumila
A. Kellogg
Unknown
U. [upper] Calif.
Comment
RSA0008342
Ambrosia pumila
C. B. Wolf
1936-6-18
7999
San Diego
El Cajon Valley, 1 mile West of Bostonia.
152
Comment
RSA0008343
Ambrosia pumila
R. F. Thorne
1976-4-11
s.n.
San Diego
National City at 13th and D streets.
Comment
RSA0008344
Ambrosia pumila
Florence J. Youngberg
1934-7-12
s.n.
San Diego
Mission Gorge (south slope across road from Old Mission Dam)
Comment
RSA0008345
Ambrosia pumila
Louise Kendall
1920-7-3
s.n.
San Diego
National City
Comment
RSA0008346
Ambrosia pumila
C. B. Wolf
1940-10-24
9741
San Diego
El Cajon Valley, 1 mile West of Bostonia.
152
Comment
RSA0008347
Ambrosia pumila
Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer
1991-6-14
6331
Riverside
Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct.
Comment
RSA0008349
Ambrosia pumila
R. E. Riefner
1998-9-1
98 -498
Riverside
Aguanga, Hwy. 79, Temecula Creek
Comment
RSA0008350
Ambrosia pumila
M. E. McGlaughlin, Elizabeth Friar
2003-7-25
093
Riverside
Nichols Rd, South of I-15. North of Elsinore lake outlet; Peninsular Ranges; Perris-Aquanga Basin region.
Comment
RSA0113170
Ambrosia pumila
James Dice, Diana Hickson, D. Stewart, D. Tobor
1998-7-7
9807071
San Diego
El Cajon.
Comment
SBBG61661
Ambrosia pumila
R. Hoffmann
1929-9-9
San Diego
above San Diego River
Comment
SD8640
Ambrosia pumila
unknown
1875-7-30
San Diego
San Diego
Comment
SDSU6268
Ambrosia pumila
G. D. Beckett
1951-4-10
9146
Unknown
Comment
SEINET10617151
Ambrosia pumila
R. Mitchell Beauchamp
2006-1
Unknown
Comment
SEINET10958195
Ambrosia pumila
R. Mitchell Beauchamp
2006-1
San Diego
Comment
SEINET11855171
Ambrosia pumila
E. A. Purer
1936-1
San Diego
Comment
UCD128698
Ambrosia pumila
A. C. Sanders; B. Pitzer, Steve Morgan
1987-5-14
7064
San Diego
West end of Otay Mesa, east of San Ysidro, head of Dillion Canyon.
152
Comment